body, html{
    line-height: 1;
    font-weight: 200;
    font-family: 'PingFang SC','STHeitiSC-Light','Helvetica-Light',arial,sans-serif;
}
@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5){ 
    .border-1px{
        &::after{
            -webkit-transform: scaleY(0.7);
            transform: scaleY(0.7);
        }
    }
}
@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2){ 
    .border-1px{
        &::after{
            -webkit-transform: scaleY(0.5);
            transform: scaleY(0.5);
        }
    }
}